i 
yo» = 
Fic. 8. Rabbit, 20 days, 29 mm., H. E. C., Series 170, X 6.9 diams. The 
first lymph nodes develop at L. N., along the subscapular vein, Ss.; and at 
l. n., along the ilio-lumbar vein, Jl. The veins of the arm are: Br., brachial; 
Ce., cephalic; J. Ge.., jugulo-cephalic; R., radial. Those of the legs are: An. T., 
anterior tibial; Sci., sciatic: Po. T.. posterior tibial; Fe., femoral; c. b., con- 
necting branch between femoral and sciatic. P. marks the pudie vein. 
